Abstract
To explore the association between self-efficacy and self-management by modelling three types of social support as mediators among stroke high-risk populations. Self-efficacy and social support (i.e. objective support, subjective support and support utilisation) are important for self-management among stroke high-risk populations. Self-efficacy activates three types of social support, and the effect of social support on self-management varies by types among chronic patients. Therefore, social support may act as a mediator between self-efficacy and self-management, and the mediating role may vary by types of social support. Disentangling the role of these different types of social support can guide tailored interventions. A cross-sectional study. This study was conducted among 448 Chinese adults at high risk for stroke. Self-efficacy, self-management and social support were assessed using the Self-Efficacy Scale, the Stroke Self-management Scale and the Social Support Rating Scale respectively. The PROCESS SPSS Macro version 3.3, model 4 was used to explore the mediating role of different types of social support in the relationship between self-efficacy and self-management. This study followed STROBE checklist for cross-sectional studies (Appendix S1). Self-efficacy improved three types of social support, and subjective support and support utilisation promoted self-management, but objective support hindered self-management. The specific indirect effect of objective support and subjective support was significant but not that of support utilisation. Objective support, subjective support and support utilisation attenuated the total effect of self-efficacy on self-management by -23.8%, 23.8% and 7.7% respectively. Mediating effect of social support in the relationship between self-efficacy and self-management varies by type, and the positive effect of subjective support is offset by the detrimental effect of objective support. Among stroke high-risk populations, interventions should target objective support and subjective support as well as self-efficacy to efficiently improve their self-management.
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